参数资料
型号: CC-14.4K2-IP5
厂商: Copeland Communications Inc
文件页数: 30/60页
文件大小: 0K
描述: MODEM 14.4KBAUD PARALLEL 5V
标准包装: 30
数据格式: V.22,V23,V.32,Bell 103,Bell 212A
波特率: 14.4k
电源电压: 4.2 V ~ 7 V
安装类型: 表面贴装
封装/外壳: 模块
包装: 散装
配用: 539-1002-ND - KIT EVALUATION WORLD MODEM II
Data Sheet
World modem II
Page 36 of 60
2004, Copeland Communications, Inc.
World modem II Datasheet Rev 1.1
User-Access Registers (U-Registers)
The :U AT command is used to write these 16-bit U-Registers and the :R command is used to read them. U-
registers are identified by a hexadecimal (hex) address.
Register
Name
Description
Default
U00
DT1A0
0x0800
U01
DT1B1
0x0000
U02
DT1B2
0x0000
U03
DT1A2
0x0000
U04
DT1A1
DT1 registers set the coefficients for stage 1
of the Dial Tone Detect filter. Default is for
FCC countries.
0x0000
U05
DT2A0
0x00A0
U06
DT2B1
0x6EF1
U07
DT2B2
0xC4F4
U08
DT2A2
0xC000
U09
DT2A1
Dial tone detect filters stage 2 biquad
coefficients.
0x0000
U0A
DT3A0
0x00A0
U0B
DT3B1
0x78B0
U0C
DT3B2
0xC305
U0D
DT3A2
0x4000
U0E
DT3A1
Dial tone detect filters stage 3 biquad
coefficients.
0xB50A
U0F
DT4A0
0x0400
U10
DT4B1
0x70D2
U11
DT4B2
0xC830
U12
DT4A2
0x4000
U13
DT4A1
Dial tone detect filters stage 4 biquad
coefficients.
0x80E2
U14
DTK
Dial tone detect filter output scalar.
0x0009
U15
DTON
Dial tone detect ON threshold.
0x00A0
U16
DTOF
Dial tone detect OFF threshold.
0x0070
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